Some code derived from xasteroids Copyright Phil Goetz. See the file README.xast, which is the README file from the xasteroids distribution. All other code Copyright 1994 Brad Pitzel pitzel@cs.sfu.ca Feel free to use/distribute/modify as long as acknowledgement to sasteroids author(s) is made. --- From README.xast: If you modify the game, feel free to post your version, PROVIDED that you retain my copyright notice, the credits, and note which version yours was derived from and its release date, what changes you made, and your release date. I do not intend to release any more versions myself. I wash my hands of it.